The Keriau or Krio River is a tributary of the Pawan River

Pawan River

Pawan River is a major river of West Kalimantan, Indonesia. It has a length of . Tributaries include the Keriau River.-Geography:In its mid course Pawan River passes through the little town of Tandjoengpoera . Pawan River passes through Ketapang before passing into the South China Sea at . It is ...

 in West Kalimantan

West Kalimantan

West Kalimantan is a province of Indonesia. It is one of four Indonesian provinces in Kalimantan, the Indonesian part of the island of Borneo. Its capital city Pontianak is located right on the Equator....

, Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

.

Facts

The Krio River rapids are reached by starting from Pontianak

Pontianak, Indonesia

Pontianak is the capital of the Indonesian province of West Kalimantan. It is a medium-size industrial city on the island of Borneo. Pontianak occupies an area of 107.82 km² in the delta of the Kapuas River...

 in the direction of Ketapang

Ketapang

Ketapang is the capital city of Ketapang regency . Ketapang city is located, on the island of Borneo. It is a small city on the delta of the Pawan River. Ketapang regency is one of the regencies of West Kalimantan province in Indonesia. It occupies an area of 35,809 km²...

 by speedboat for six hours, then a four-hour trip in a smaller boat.

The upper course of the river was the location of the Ulu Aik Kingdom (est. around 1700), later renamed Hulu Aik.